Element block pseudo-element :after generated with transform border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto width 160px overflow hidden background display block height auto box-sizing content-box line-height 1 margin 0px float none border 0px rgba(0,0,0,1) solid padding 20px cursor default font-weight normal position static transition